Monitor server-side latency for Amazon ElastiCache for Valkey
Database Blog
This article discusses new server-side latency monitoring metrics for Amazon ElastiCache for Valkey, introducing two critical CloudWatch metrics: SuccessfulReadRequestLatency and SuccessfulWriteRequestLatency.
- New metrics provide precise measurement of ElastiCache engine response times in microseconds
- Metrics capture entire request processing stages, including preprocessing, execution, and postprocessing
- Useful for troubleshooting performance issues across different application components
- Recommended to monitor p50 statistics for most use cases, p99 for latency-sensitive applications
The article provides guidance on troubleshooting high latency by examining factors like long-running commands, queueing time, memory utilization, data tiering, and client connections. The goal is to help developers detect, diagnose, and maintain optimal performance in ElastiCache clusters.
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